I\'m writing an C# App (WinForm) with a ListBox having content added by the user. Now, I could have a ordinary button under the ListBox to remove items, but I would like to
I don't know why you would want to do specifically that? I would put a button at the bottom that deletes any selected items in the listbox. That is deemed the usual way of doing such a thing unless you want to use jquery and put an onClick event on the listbox that sends a call to delete the item if it is stored in a database or remove the item from the list on the page.